passworddemo.java

来自「有关java学习技巧的课件」· Java 代码 · 共 24 行

package onlyfun.caterpillar;

public class PasswordDemo {
    public static void main(String[] args) {
        while(true) {
            System.out.print("输入名称：");
            String name = System.console().readLine();

            System.out.print("输入密码： ");
            char[] passwd = System.console().readPassword();
            String password = new String(passwd);

            if("caterpillar".equals(name) &&
               "123456".equals(password)) {
                System.out.println("欢迎 caterpillar ");
                break;
            }
            else {
                System.out.printf("%s，名称或密码错误，请重新输入！%n", name);
            }
        }
        
    }
}